# According to this stupid color acuity test on FB...

**URL:** <https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Created:** [June 27, 2012, 3:17am UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421 "2012-06-27T03:17:42Z")\
**Posts on this page:** 20\
**Page:** 6

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**Author:** ![jtur88](https://avatars.discourse-cdn.com/v4/letter/j/e9c0ed/32.png) [@jtur88](https://boards.straightdope.com/u/jtur88)\
**Post date:** [May 16, 2017, 4:11pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/101 "2017-05-16T16:11:10Z")

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My score is 54, but my reading comprehension score is zero, apparently. Can anybody tell me if that is a good or a bad score?

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**Author:** ![Richard\_Pearse](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/richard_pearse/32/13144_2.png) [@Richard\_Pearse](https://boards.straightdope.com/u/Richard_Pearse)\
**Post date:** [May 16, 2017, 4:17pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/102 "2017-05-16T16:17:41Z")

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I got zero. When I had them arranged correctly I’d question whether it was right but moving one to an incorrect position made it look obviously wrong.

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**Author:** ![WOOKINPANUB](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/wookinpanub/32/132_2.png) [@WOOKINPANUB](https://boards.straightdope.com/u/WOOKINPANUB)\
**Post date:** [May 16, 2017, 4:26pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/103 "2017-05-16T16:26:20Z")

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I got a 2, which at first I didn’t understand that the lower the score the better. I actually really enjoyed doing that exercise(once I figured out what I was supposed to do).

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**Author:** ![jerseymule](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/jerseymule/32/3155_2.png) [@jerseymule](https://boards.straightdope.com/u/jerseymule)\
**Post date:** [May 16, 2017, 4:27pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/104 "2017-05-16T16:27:15Z")

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I got a 2. Yippee! (I recently had cataract surgery and new clear lenses put into my 64-year old eyeballs.)

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**Author:** ![TimeWinder](https://avatars.discourse-cdn.com/v4/letter/t/bcef8e/32.png) [@TimeWinder](https://boards.straightdope.com/u/TimeWinder)\
**Post date:** [May 16, 2017, 4:31pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/105 "2017-05-16T16:31:09Z")

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0 on a calibrated monitor, 4 on an uncalibrated one (both Macs).

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**Author:** ![wonky](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/wonky/32/393_2.png) [@wonky](https://boards.straightdope.com/u/wonky)\
**Post date:** [May 16, 2017, 4:44pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/106 "2017-05-16T16:44:14Z")

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I got a 0. For me, unfocusing my eyes makes the misplaced tiles leap out. Um, not physically.

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**Author:** ![Chefguy](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/chefguy/32/138_2.png) [@Chefguy](https://boards.straightdope.com/u/Chefguy)\
**Post date:** [May 16, 2017, 5:10pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/107 "2017-05-16T17:10:00Z")

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I don’t take these tests because I can’t pass them. I also refuse to take the Ishihara at the eye doctor, which annoys the technician to no end. I actually had to be mildly rude to her the last time when she kept insisting that I “just try it”. Sweetie, at age 70, I am fully aware of my color deficiencies and really don’t need some twit pointing it out to me yet again.

End rant.

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**Author:** ![Shagnasty](https://avatars.discourse-cdn.com/v4/letter/s/9dc877/32.png) [@Shagnasty](https://boards.straightdope.com/u/Shagnasty)\
**Post date:** [May 16, 2017, 5:21pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/108 "2017-05-16T17:21:34Z")

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I must be getting better with age. I got a zero when I retook it today.

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**Author:** ![teela\_brown](https://avatars.discourse-cdn.com/v4/letter/t/d9b06d/32.png) [@teela\_brown](https://boards.straightdope.com/u/teela_brown)\
**Post date:** [May 16, 2017, 5:33pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/109 "2017-05-16T17:33:26Z")

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I remember this thread from before!

I took it today and got a 4. I seem to remember that’s about what I got before. I’m a little sketchy in the blue-green range, it seems.

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**Author:** ![Riemann](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/riemann/32/3133_2.png) [@Riemann](https://boards.straightdope.com/u/Riemann)\
**Post date:** [May 16, 2017, 5:38pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/110 "2017-05-16T17:38:18Z")

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> [@Chefguy](#):
>
> …I actually had to be mildly rude to her the last time when she kept insisting that I “just try it”…

It was a trap to make you see red.

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**Author:** ![carnivorousplant](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/carnivorousplant/32/3563_2.png) [@carnivorousplant](https://boards.straightdope.com/u/carnivorousplant)\
**Post date:** [May 16, 2017, 5:43pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/111 "2017-05-16T17:43:04Z")

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Zero, and I have difficulty matching colors in water tests.

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**Author:** ![DCnDC](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/dcndc/32/2842_2.png) [@DCnDC](https://boards.straightdope.com/u/DCnDC)\
**Post date:** [May 16, 2017, 5:59pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/112 "2017-05-16T17:59:13Z")

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18

Although I’m not sure I fully understood the instructions. I kinda just sorted them to one side or another. Am I supposed to put them in an exact order from the one side to the other? (I think I did pretty good for a colorblind guy)

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**Author:** ![Shagnasty](https://avatars.discourse-cdn.com/v4/letter/s/9dc877/32.png) [@Shagnasty](https://boards.straightdope.com/u/Shagnasty)\
**Post date:** [May 16, 2017, 6:14pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/113 "2017-05-16T18:14:34Z")

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> [@DCnDC](#):
>
> 18
> 
> Although I’m not sure I fully understood the instructions. I kinda just sorted them to one side or another. Am I supposed to put them in an exact order from the one side to the other? (I think I did pretty good for a colorblind guy)

You are supposed to sort them along the color spectrum using the first and last tiles in each row as reference points. It is probably really difficult if you have any colorblindness at all because some of the differences are tiny between adjacent tiles.

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**Author:** ![Hilarity\_N.Suze](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/hilarity_n.suze/32/6223_2.png) [@Hilarity\_N.Suze](https://boards.straightdope.com/u/Hilarity_N.Suze)\
**Post date:** [May 16, 2017, 6:16pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/114 "2017-05-16T18:16:30Z")

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> [@Hilarity\_N.Suze](#):
>
> Eek, I did this some time ago and got a 0, and just now I got a 22.
> 
> Of course, my monitor is much older now.
> 
> But so are my eyes.

Even older now (me, not the monitor) but…back to 0!

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**Author:** ![DCnDC](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/dcndc/32/2842_2.png) [@DCnDC](https://boards.straightdope.com/u/DCnDC)\
**Post date:** [May 16, 2017, 6:27pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/115 "2017-05-16T18:27:15Z")

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> [@Shagnasty](#):
>
> You are supposed to sort them along the color spectrum using the first and last tiles in each row as reference points.

Aha. Thank you. I suspected that was probably what you were supposed to do, but I could really only discern 2 very subtly different colors in each row.

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**Author:** ![Riemann](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/riemann/32/3133_2.png) [@Riemann](https://boards.straightdope.com/u/Riemann)\
**Post date:** [May 16, 2017, 6:58pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/116 "2017-05-16T18:58:39Z")

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For what it’s worth, I just hit “score my test” several times without doing anything, refreshing the page each time. Scores were between 76 and 82.

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**Author:** ![jtur88](https://avatars.discourse-cdn.com/v4/letter/j/e9c0ed/32.png) [@jtur88](https://boards.straightdope.com/u/jtur88)\
**Post date:** [May 16, 2017, 8:03pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/117 "2017-05-16T20:03:19Z")

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I just left them all alone, and scored it and got 82… Then I moved one tile at random and got a 90. So, what do you have to do to get a 1602? How come nobody here has gotten a score of -1, and who gets -30,000?

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**Author:** ![AHunter3](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/ahunter3/32/368_2.png) [@AHunter3](https://boards.straightdope.com/u/AHunter3)\
**Post date:** [May 16, 2017, 8:28pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/118 "2017-05-16T20:28:27Z")

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Got a perfect 0 this time. I’ve done it before and didn’t do as well. They say lighting makes a difference.

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**Author:** ![aktep](https://avatars.discourse-cdn.com/v4/letter/a/f0a364/32.png) [@aktep](https://boards.straightdope.com/u/aktep)\
**Post date:** [May 16, 2017, 8:45pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/119 "2017-05-16T20:45:11Z")

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I scored a 2.

This is very disappointing because it means I am not being truthful when I tell my wife I can’t tell the difference between her choices of lipstick.

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**Author:** ![thelurkinghorror](https://avatars.discourse-cdn.com/v4/letter/t/7c8e57/32.png) [@thelurkinghorror](https://boards.straightdope.com/u/thelurkinghorror)\
**Post date:** [May 16, 2017, 9:35pm UTC](https://boards.straightdope.com/t/according-to-this-stupid-color-acuity-test-on-fb/626421/120 "2017-05-16T21:35:01Z")

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4 on a standard desktop LCD  
0 on an expensive research grade calibrated LCD

This is a truncated version of a standard FM-100 test. The regular one is often done with physical chips.

I realize this is a zombie, but the people who have single chips on a different line are having browser issues.

I was having snapping issues with some of the chips.

> [@Chefguy](#):
>
> I don’t take these tests because I can’t pass them. I also refuse to take the Ishihara at the eye doctor, which annoys the technician to no end. I actually had to be mildly rude to her the last time when she kept insisting that I “just try it”. Sweetie, at age 70, I am fully aware of my color deficiencies and really don’t need some twit pointing it out to me yet again.
> 
> End rant.

I’ve never had an OD do Ishihara. Though the reason why it might help is to identify age or disease related tritanopic effects (and I doubt your lifelong deficiency is related).

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